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here is a link to my video http://www.youtube.com/watch?v=PYV6TPpSQgQ sorry about the bad videoing please rate subscribe......... for this years ball machine official video click here
k'nex marble machine 2013by www139
K'nex Ball Machine Impossible Previewby www139
The Element a k'nex ball machineby www139
k'nex ball machine Coolcreation (built by a 7 year old)by www139
K'Nex Fruit Machineby Elap
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